发明名称 |
Un sistema catalítico de trimerización de isocianato, una formulación precursora, un procedimiento para trimerizar isocianatos, espumas rígidas de poliisocianurato/poliuretano hechas a partir de los mismos y un procedimiento para hacer dichas espumas |
摘要 |
The instant invention provides an isocyanate trimerisation catalyst system, a precursor formulation, a process for trimerising isocyanates, rigid foams made therefrom, and a process for making such foams. The trimerisation catalyst system comprises: (a) a phosphatrane cation; and (b) an isocyanate-trimer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73 C. |
申请公布号 |
ES2437604(T3) |
申请公布日期 |
2014.01.13 |
申请号 |
ES20090752076T |
申请日期 |
2009.11.09 |
申请人 |
DOW GLOBAL TECHNOLOGIES LLC |
发明人 |
ATHEY, PHILLIP;WILMOT, NATHAN;KEATON, RICHARD;BABB, DAVID;BOYER, CECILE;MORLEY, TIMOTHY |
分类号 |
C08G18/02;C08G18/09;C08G18/16;C08G18/18 |
主分类号 |
C08G18/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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